.xH{ height:0.49rem;}
.wrap6{ background:#cfcfcf; position: fixed; left:0; bottom:0; width:100%; }
.wrap6 div a{ float:left; width:25%; height:0.49rem;}
.wrap6 .show{ background:#dedede;}
.wrap6 .show .i1{ background-position: 0 -0.5775rem;}
.wrap6 .show .i2{ background-position: -0.255rem -0.5775rem;}
.wrap6 .show .i3{ background-position: -0.5275rem -0.5775rem;}
.wrap6 .show .i4{ background-position: -0.895rem -0.5775rem;}
.wrap6 div i{display: block; background:url("../images/xHx.png") no-repeat; background-size: 2.25rem; }
.wrap6 div .i1{ width:0.21rem; height:0.21rem; background-position: 0 -0.2725rem; margin:0.08rem 0 0.06rem 0.3rem; }
.wrap6 div .i2{ width:0.27rem; height:0.245rem; background-position: -0.255rem -0.2725rem; margin:0.05rem 0 0.06rem 0.3rem; }
.wrap6 div .i3{ width:0.2875rem; height:0.225rem; background-position: -0.535rem -0.2725rem; margin:0.07rem 0 0.06rem 0.26rem; }
.wrap6 div .i4{ width:0.21rem; height:0.21rem; background-position: -0.895rem -0.2725rem; margin:0.07rem 0 0.06rem 0.3rem; }
.wrap6 div p{ font-size:0.1rem; text-align: center; color:#5e5e5e;}